Index: sys/compat/linuxkpi/common/include/linux/interrupt.h
===================================================================
--- sys/compat/linuxkpi/common/include/linux/interrupt.h
+++ sys/compat/linuxkpi/common/include/linux/interrupt.h
@@ -208,6 +208,7 @@
     unsigned long data);
 extern void tasklet_enable(struct tasklet_struct *);
 extern void tasklet_disable(struct tasklet_struct *);
+extern void tasklet_disable_nosync(struct tasklet_struct *);
 extern int tasklet_trylock(struct tasklet_struct *);
 extern void tasklet_unlock(struct tasklet_struct *);
 extern void tasklet_unlock_wait(struct tasklet_struct *ts);
Index: sys/compat/linuxkpi/common/src/linux_tasklet.c
===================================================================
--- sys/compat/linuxkpi/common/src/linux_tasklet.c
+++ sys/compat/linuxkpi/common/src/linux_tasklet.c
@@ -33,6 +33,7 @@
 #include <sys/proc.h>
 #include <sys/sched.h>
 
+#include <linux/atomic.h>
 #include <linux/compiler.h>
 #include <linux/interrupt.h>
 #include <linux/compat.h>
@@ -62,6 +63,8 @@
 
 DPCPU_DEFINE_STATIC(struct tasklet_worker, tasklet_worker);
 
+#define	smp_mb__after_atomic()	barrier()
+
 static void
 tasklet_handler(void *arg)
 {
@@ -227,6 +230,13 @@
 	tasklet_unlock_wait(ts);
 }
 
+void
+tasklet_disable_nosync(struct tasklet_struct *ts)
+{
+	atomic_inc(&ts->count);
+	smp_mb__after_atomic();
+}
+
 int
 tasklet_trylock(struct tasklet_struct *ts)
 {